How print two-sides brochure in OpenOffice

To save paper and ink when printing I love to have my documents printed with two pages in one and on both sides. Finally I found these two helpfull links to make it automatically in OpenOffice...

http://openoffice.blogs.com/openoffice/2008/03/printing-two-si.html

http://blog.dixo.net/2007/07/18/save-paper-with-openoffice-brochure-printing/

Enjoy your printing!!! :-)